"The HA-2... is so good that you can use it for a standalone audiophile DAC for headphone listening. Its headphone soundfield is heads above most portable hi-res players."
"The Oppo PM-3 portable planar headphone is my choice for the coveted writers choice for 2015. The PM-3 is easy to drive, has a liquid presentation, and is comfortable to wear and use. The little wonder that could."
"This little guy doesn’t only deserve a Reviewers’ Choice award -- it’s a piece of hardware that anyone with a half-decent pair of headphones needs to own. An offensively good product."